.drop-down-menu{
	background-color: rgba(0, 0, 0, 0.6);
	/* #ifdef MP-WEIXIN */
	height:calc(100vh -  var(--height));
	top: var(--height);
	// top: 0;
	/* #endif */
	/* #ifdef H5 */
	height:calc(100vh -  176rpx);
	top:176rpx;
	/* #endif */
	position: absolute;
	width: 100%;
	.menu-list{
		height: 300rpx;
		background-color: #ffffff;
		position: relative;
		z-index: 100;
	}
}